Solve the problem.The percent of concentration of a certain drug in the bloodstream 
after the drug is administered is given by K(x) = 
. At what time is the concentration a maximum?
A. 4 hr
B. 2.5 hr
C. 4.9 hr
D. 7 hr
Answer: D
Mathematics
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Construct a circuit to represent the corresponding symbolic statement.(p ? q) ? ~p
What will be an ideal response?
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Solve.The distance from Ivy's house to the park is 
of a mile. Ivy leaves her house with her dog and walks 
of a mile toward the park. How much farther does she have to walk her dog to get to the park?
A. 
of a mile
B. 
of a mile
C. 
of a mile
D. 
of a mile
Mathematics
Graph the function.y = -cot (?x)
A. 
B. 
C. 
D. 
Mathematics
Insert <, >, or = to make the statement true.3.14 
?
A. > B. = C. <
Mathematics